Yamamoto Circular
The following Yamamoto Circluars edited by Syuichi Nakano,
will be available one month later after publications.
Ask about printed version to yc@oaa.gr.jp or pay 130 yen / one circular
to postal order No. 00980-8-189107 (東亜天文学会速報部).
Yamamoto Circular is written in Japanese.
If your WebExplorer or Netscape has a multi-language option,
please set it when reading that file.
If your WebExplorer or Netscape has a multi-language option,
please set it when reading that file.
If you have a MicroSoft Word, execute it on Internet Explorer directly
and set printing form. Then you will see an almost original copy of YC.
Note the all YC after YC2585 will be provided on PDF file.
Internet Explorer上で,MicroSoft Wordを起動して,表示→印刷レイアウトを
指定すると,ほぼ,オリジナルの山本速報が見られます.その際は,2ペ−ジ目の上
にあるブランク行(2行)を省くと,B4サイズに収まります.プリントするときは,
B4に2ペ−ジを指定してください.なお,多少の装飾記号の位置を直してください.
なお,YC 2585以後は,PDFファイルに置き換えました.
-
- YC2606 (2009 May 3; unavailable yet): P/2009 B1, SN 2009N, C/2009 B2, 213P, 214P, 215P, 216P
- YC2605 (2009 May 1; unavailable yet): P/2008 Y2, P/2008 Y3, 212P/NEAT (2000 YN30), P/2008 WZ96
- YC2604 (2009 Apr. 29): Editorial Notice, SNE 2008ij, 2008in, 2008ip, Quadrantids 2009, P/2008 Y1
- YC2603 (2008 Dec. 29): 210P/Christensen (2003 K2 = 2008 X4), SN 2008ie, 144P, C/2007 N3
- YC2602 (2008 Dec. 28): 二至二分24節気, 211P/Hill (2008 X1 = 2003 F6), 209P/LINEAR (2004 CB = 2008 X2), C/2008 X3, SN 2008hz
- YC2601 (2008 Dec. 2; unavailable yet): 208P/2008 U1, SN 2008gz, SN 2008hi, C/2007 N3
- YC2600 (2008 Dec. 1): Leonids in 2008, P/2008 T4, 207P, Return Comets in 2011
- YC2599 (2008 Nov. 19): 2008 TC3, 206P/1892 T1 = 2008 T3
- YC2598 (2008 Nov. 18): 205P, C/2008 S3, 29P, Orionids in 2008, P/2008 T1, C/2008 T2
- YC2597 (2008 Nov. 17): Nova in Aql 2008 = V1721, P/2008 QP20, P/2008 R1, SN 2008fv in NGC 3147, P/2008 R3, P/2008 S1 = 2008 JK
- YC2596 (2008 Sept.17): 204P, 205P, C/2002 R5 = 2008 L6 & C/2002 S7 = 2008 N4 (SOHO)
- YC2595 (2008 Sept.16): 201P, C/2008 R1, C/2008 N1, 202P, C/2008 R3, 203P
- YC2594 (2008 Sept.16): Perseids in 2008, C/2008 P1, C/2008 Q1, P/2008 Q2, C/2008 Q3, P/2008 O3
- YC2593 (2008 Sept.16): SN 2008dv, P/2008 O2, Nova in Sco 2008, Fireballs 2008, V1647 Ori
- YC2592 (2008 Aug. 5): C/2008 J1, 85P, C/2007 W1
- YC2591 (2008 AUg. 5): C/2008 O2, C/2008 O3, C/2007 N3, C/2007 W1
- YC2590 (2008 Aug. 5): C/2008 FK75, C/2008 N1, 6P, 15P, 19P, 51P, P/2008 L2, Bright Comets
- YC2589 (2008 June 30): C/2007 W1, 2008 ED69 & Kappa Cygnids, C/2007 N3
- YC2588 (2008 June 29): Nova Ophiuchi 2008 No. 2, C/2002 S11 = 2008 G6 (SOHO), 200P/Larsen, C/2008 L2, C/2008 L3, C/2008 J1, C/2008 J5
- YC2587 (2008 May 29): Nova Ophiuchi 2008, 6P, 15P, C/2008 G1, Bright Comets
- YC2586 (2008 May 28): P/2008 J3, C/2008 J4, C/2008 J5, C/2008 J6
- YC2585 (2008 May 28): Eta Aquarids 2008, C/2008 J1, P/2008 J2
- YC2584 (2008 May 1): Nova Sgr. 2008, C/2008 H1, 199P/Shoemaker 4 (1994 J3 = 2008 G2), C/2007 W1
- YC2583 (2008 May 1): C/2002 Q8 = 2008 E4 (SOHO), 198P/ODAS (1998 X1 = 2006 B7, Lyrids 2008, C/2008 G1, Nova V2491 Cygni, SN 2008bt
- YC2582 (2008 Mar. 28): C/2006 Q1, C/2007 T1, C/2007 W1, C/2008 A1, C/2008 C1, 26P
- YC2581 (2008 Mar. 28): Nova in M33, P/2008 E1, 197P/2003 KV2 = 2008 E2, SN 2008ax, C/2008 E3, V2468 Cygni
- YC2580 (2008 Feb. 28): P/2007 VQ11, C/2008 C1, 196P/Tichy (2000 U6 = 2008 C2)
- YC2579 (2008 Feb. 27): C/2008 A1, C/2007 VO53, P/2008 A2, C/2002 R1 = C/2008 A3 & C/2002 R4 = C/2007 Y4 (SOHO), SN 2008R
- YC2578 (2008 Feb. 26): Editorial Notice, SN 2007uy, 29P, C/2007 Y2, SN 2008A, SN 2008B, Quadrantids 2008
- YC2577 (2007 Dec. 27): 2008 二至二分, 17P, 8P
- YC2576 (2007 Dec. 27): Geminids in 2007, SN 2007ss, C/2007 W3, 195P/1993 D1 = 2006 W4, Novae in M31, N V459 Vul., C/2007 Y1
- YC2575 (2007 Dec. 4): 17P, 8P, C/2007 T5
- YC2574 (2007 Dec. 3): C/2007 W1, V597 Pup., Leonids in 2007, 116P, 194P/2000 B3 = 2007 W2, P/2007 T6 = 2007 TU149
- YC2573 (2007 Dec. 2): 193P/2001 Q5 = 2007 U2, P/2007 V1, CatacV, Novae in M31, P/2007 V2, 2007 VA85 & 2007 VW266, C/2007 F1
- YC2572 (2007 Nov. 1): 17P, C/2007 F1, C/2007 U1, C/2006 Q1
- YC2571 (2007 Nov. 1): Orionids in 2007, 192P/1990 V1 = 2007 T3, P/2007 T4, C/2007 T5, P/2007 T6, Nova 2007-10a in M31
- YC2570 (2007 Oct. 31): SN 2007kj, P/2007 S2, C/2007 T1, P/2007 T2
- YC2569 (2007 Sept.27): C/2007 F1, Nova in M33
- YC2568 (2007 Sept.26): P/2007 R2, P/2007 R3, P/2007 R4, P/SOHO (1999 R1 = 2003 R5 = 2007 R5), P/2007 S1
- YC2567 (2007 Sept.26): 191P/2007 N1 = 2000 P3, C/2007 Q1, P/2007 Q2, C/2007 Q3, P/2007 R1, SN 2007gi
- YC2566 (2007 Aug. 27): V458 Vul = Nova Vul 2007, Aurigids in 2007, SN 2007gr, C/2007 P1, P/2007 H1
- YC2565 (2007 Aug. 27): C/1999 R1 = C/2003 R5, 190P/1998 U2 = 2007 O2, SN 2007gi, Perseids in 2007
- YC2564 (2007 Aug. 10): 74P, Return Comets in 2010
- YC2563 (2007 July 27): 189P/NEAT (2002 O5 = 2007 N2), C/2007 N3, C/2007 O1 = 2006 GA38
- YC2562 (2007 July 27): Nova Sgr 2007, P/2007 N1, Nova in M31, C/2006 VZ13
- YC2561 (2007 July 1): 2007 MK6 & (1566), C/2007 K5, 8P, 17P
- YC2560 (2007 July 1): P/2002 O5, C/2007 M3, 188P/1998 S1 = 2007 J7
- YC2559 (2007 June 25): C/2005 L3, C/2007 M2, C/2006 VZ13
- YC2558 (2007 June 24): C/2007 K6, 133P, HICQ 2007, 8P, C/2006 WD4, C/2007 H2, C/2007 M1
- YC2557 (2007 June 1): 2P, C/2007 K1, P/2007 K2, C/2007 L3, C/2007 K4, C/2007 K5
- YC2556 (2007 June 1): Eta Aquarids, 96P, C/2007 E2, C/2006 P1
- YC2555 (2007 May 24): 2P, Lyrids in 2007, C/2006 VZ13
- YC2554 (2007 May 23): C/2006 WD4, C/2007 JA21, Cometary Orbits, P/2007 H1
- YC2553 (2007 May 2): SN 2007cd, C/2006 VZ13, 96P, C/2007 H3
- YC2552 (2007 Apr. 30): Nova Sgr 2007 = V5558 Sgr., C/2007 G1 (LINEAR), C/2007 H1, C/2007 H2
- YC2551 (2007 Apr. 13): C/2007 E1, C/2007 D3, C/2007 E2
- YC2550 (2007 Apr. 12): 187P/LINEAR (1999 J5 = 2007 E3), C/2007 D1, C/2007 D2, 96P
- YC2549 (2007 Feb. 16): C/2007 F1, 2P, Nova Oph 2007
- YC2548 (2007 Mar. 25): C/2007 E1, Nova Cyg 2007, C/2007 E2
- YC2547 (2007 Mar. 7): 186P/1977 O1 = 2007 B3, C/2007 D1, C/2007 D2, C/2007 D3, SN 2007af
- YC2546 (2007 Mar. 7): Nova Sco 2007 No. 2, P/2007 C1, SN 2007aa, Nova 2007-02d, P/2007 C2
- YC2545 (2007 Feb. 16): C/2007 B3, 183P, Nova Sco 2007, C/2006 L2
- YC2544 (2007 Feb. 15): 185P/2001 Q2 = 2007 A3, P/2007 B1, C/2007 B2
- YC2543 (2007 Feb. 6): C/2006 P1, P/2007 A2
- YC2542 (2007 Feb. 5): P/2006 Y2, 184P/1986 W1 = 2007 A1, C/2006 L1
- YC2541 (2007 Feb. 3): Ursids in 2006, SN 2007B, SN 2007C, C/2006 XA1, P/2006 XG16
- YC2540 (2006 Dec. 29): 2007年二至二分, 2006 WD4, C/2006 P1
- YC2539 (2006 Dec. 29): C/2006 YC, P/1999 DN3 = 2006 Y1, C/2006 L2, C/2006 M4
- YC2538 (2006 Dec. 21): C/2006 P1
- YC2537 (2006 Dec. 20): SN 2006qp, C/2006 VZ13, Leonids in 2006, C/2006 X1, P/2006 W1, C/2006 V1, Geminids in 2006, Ursids in 2006 & 8P
- YC2536 (2006 Nov. 30): C/2006 L1, P/2006 T1
- YC2535 (2006 Nov. 30): C/2006 W1, 182P/2001 WF2 = 2006 W2, C/2006 W3, P/2006 W4, C/2005 YW
- YC2534 (2006 Nov. 29): SN 2006ov, N in M31, C/2006 U6, P/2006 U7, C/2006 V1
- YC2533 (2006 Nov. 28): Bright VS in Cas, N in M31, SN 2006my, Orionids 2006, P/2006 U5
- YC2532 (2006 Oct. 30): C/2006 M4, 181P/1991 V1 = 2006 U4
- YC2531 (2006 Oct. 30): SN 2006jc, C/2006 T1, 179P/1995 A1 = 2006 U2, 180P/2001 K1 = 2006 U3
- YC2530 (2006 Oct. 30): C/2006 L1, P/2006 S4, C/2005 YW, P/2006 U1
- YC2529 (2006 Oct. 3): C/2006 T1, 128P, 177P, P/2006 R1
- YC2528 (2006 Oct. 2): N in M33, 4P, 76P, C/2006 M4
- YC2527 (2006 Oct. 1): SN 2006gs, C/2006 S2, C/2006 S3, C/2006 S4, C/2006 S5, P/2006 S6
- YC2526 (2006 Sept.30): N 2006-09c, SN 2006gi, Edgar Wilson Award, (134340) Pluto, C/2006 OF2, P/2006 R2, P/2006 S1
- YC2525 (2006 July 31; unavailable yet): N 2006-09a, C/2006 R1, SN 2006et, 2006 OF2, 2006 QM111
- YC2524 (2006 Sept. 3): SN 2006ep, C/2006 P1, C/2006 Q1, P/2006 Q2
- YC2523 (2006 Aug. 31): SN 2006dy, P/2006 HR30, N 2006-08a, C/2006 O2
- YC2522 (2006 July 31; unavailable yet): 177P/Barnard 2, Editorial Notice
- YC2521 (2006 July 30): P/1999 X1 = P/2006 O1, C/2006 M1, 73P, 102P, 45P
- YC2520 (2006 July 30): C/2006 M4, Return Comets in 2009
- YC2519 (2006 June 29): P/1889 M1 = P/2006 M3, P/2004 V5, D/1986 W1
- YC2518 (2006 June 28): C/2006 M1, C/2006 M2, 2004 XP14
- YC2517 (2006 June 28): Nova in M31, C/2006 HW51, C/2006 L1, C/2006 L2
- YC2516 (2006 May 30): SN 2006ch, P/2006 K2, C/2006 K3, C/2006 K4, 102P
- YC2515 (2006 May 28): eta Aquarids 2006, P/2006 H1, Nova in M31, C/2006 K1, alpha Bootids 2006
- YC2514 (2006 May 1): 73P
- YC2513 (2006 Apr. 28): (118401) 1999 RE70, 73P
- YC2512 (2006 Apr. 26): SN 2006bp, P/2006 F4, P/2006 G1, Nova Oph. 2006 No.2, C/2006 GZ2
- YC2511 (2006 Apr. 26): Nova Cygni 2006, C/2006 E1, P/2006 F1, P/2006 F2
- YC2510 (2006 Mar. 20): 73P, C/2006 A1, C/2004 B1
- YC2509 (2006 Mar. 20): J006, J007, C/2006 CK10, C/2006 E1
- YC2508 (2006 Mar. 3): 2006 DD1, (69230) Hermes
- YC2507 (2006 Mar. 3): (23187) 2000 PN9, P/2006 D1, Oph RS, Nova Sgr 2006
- YC2506 (2006 Mar. 2): 73P, Nova Oph 2006, C/2004 B1, C/2006 A1
- YC2505 (2006 Feb. 28): 101P, SN 2006X, P/2005 SB216, 41P
- YC2504 (2006 Feb. 7): 175P/2000 C1 = P/2006 A3, 32P, SN 2006E, C/2006 B1, C/2006 A1
- YC2503 (2006 Feb. 7; unavailable yet): P/2005 Y2, P/2005 YQ127, C/2006 A2, 2006 BZ8
- YC2502 (2006 Jan. 18): C/2006 A1, 73P, C/2005 EL173
- YC2501 (2006 Jan. 17): (60558) 2000 EC98, Quadrantids in 2006, C/2005 G1
- YC2500 (2006 Jan. 15): P/2005 XA54, C/2005 Y2, P/2005 YQ127, 71P
- YC2499 (2005 Dec. 30): 2006年二至二分24節気, C/2005 X1, C/2005 A1
- YC2498 (2005 Dec. 29): SN 2005lx, C/2002 VQ94, C/2004 D1, C/2005 G1
- YC2497 (2005 Dec. 16): 101P, P/2005 W3
- YC2496 (2005 Dec. 15): Geminids in 2005, C/2004 YJ35, C/2005 X1, P/2005 K3, P/2005 W3
- YC2495 (2005 Nov. 30): C/2005 N1, C/2005 P3, Leonids in 2005, C/2005 W3, P/2005 R2
- YC2494 (2005 Nov. 29): Taurids in 2005, P/2005 W2, C/2003 K4, C/2005 E2
- YC2493 (2005 Nov. 14): P/2005 V1, C/2003 T4, C/2003 WT42, S/2005 P 1 & 2, 2005 UD
- YC2492 (2005 Nov. 12): Orionids in 2005, P/2000 QJ46, P/2005 T5, 73P, P/2005 U1
- YC2491 (2005 Nov. 6): P/2005 T2, Nova Scuti 2005 No. 2, P/2005 T3, P/2005 T4
- YC2490 (2005 Nov. 5): SN 2005gl, P/2005 S3, Nova Scuti 2005, C/2005 S4, 173P (1993 W1 = 2005 T1)
- YC2489 (2005 Nov. 4): Draconids in 2005, C/2005 R4, P/2005 RV25, P/2005 S2
- YC2488 (2005 Sept.30): C/2005 A1, 171P (1998 W1 = 2005 R3), P/2005 O2, C/2005 P3, C/2005 R4
- YC2487 (2005 Sept.29): P/2005 Q4, 132P, P/2005 R1, P/2005 R2
- YC2486 (2005 Sept.21): P/2004 FY140, C/2005 O1, 172P (2002 BV), (99942) Apophis, 169P (2002 EX12)
- YC2485 (2005 Sept. 1): C/2003 T4, 1995 EK1, C/2005 Q1, Editorial Notice
- YC2484 (2005 Aug. 31): C/2005 P3, (16960) 1998 QS52, SN 2005dp
- YC2483 (2005 Aug. 18): MRO, P/2005 N5, 2005 FY9, P/2005 M1
- YC2482 (2005 Aug. 16): 2003 EL61, C/2005 L3, C/2005 N4, 2003 UB313
- YC2481 (2005 Aug. 15): Perseids in 2005, P/2002 EX12, C/2005 O1, C/2005 O2
- YC2480 (2005 July 29): Nova Sco. 2005, C/2005 N4, C/2005 N5, 1992 UY4
- YC2479 (2005 July 25): OAA Discovery Award, Edgar Wilson Award, UTC-TAI, SN 2005 cz, Return Comets in 2008
- YC2478 (2005 July 14): P/2005 N3, P/2005 M1, 101P, C/2005 A1
- YC2477 (2005 July 11): Nova Sgr. 2005 No.2, P/2005 JD108, C/2005 N1, P/1998 W2 = P/2005 N2
- YC2476 (2005 June 30): Nova in M31, C/2005 M1, P/2005 GF8, P/2005 JQ5, 161P, SN 2005cs in M51
- YC2475 (2005 June 28): Fireball on 2005 March 20, P/2005 L4, 167P, 165P, 166P
- YC2474 (2005 June 15): C/2005 K2, C/2004 Q2, C/2004 Q1
- YC2473 (2005 June 14): P/2005 L1, C/2005 L2, C/2005 L3, C/2004 Q1
- YC2472 (2005 June 9): P/2005 JY126, C/2005 H1, P/2005 K3, 37P, 91P
- YC2471 (2005 May 27): C/2005 K1, C/2005 K2, C/2005 A1
- YC2470 (2005 May 27): Eta Aquarids in 2005, P/2005 JN, P/2005 JQ5
- YC2469 (2005 May 26): Lyrids in 2005, C/2005 EL173, C/2005 J1, C/2005 J2
- YC2468 (2005 May 6): C/2005 H1, C/2004 K1, 21P
- YC2467 (2005 May 4): 9P, C/2004 T3
- YC2466 (2005 Apr. 15): C/2005 G1, P/2004 F3, P/2005 GF8, 2005 GB34
- YC2465 (2005 Apr. 10): Nova Sgr 2005, 2004 YJ35, P/2005 E1, C/2005 E2
- YC2464 (2005 Mar. 24): Sungrazer Comet, C/2003 T4, P/2005 E1
- YC2463 (2005 Mar. 17): C/2005 E1, C/2005 E2, 105P, 141P, P/2003 S1
- YC2462 (2005 Mar. 2): 141P, C/2004 Q2, Orbits of Observable Comets in March
- YC2461 (2005 Feb. 26): C/1995 O1, C/2005 A1, Corrections, C/2003 K4, C/2004 Q1
- YC2460 (2005 Feb. 16): P/1819 W1 = 2003 WY25, Phoenicids in 1956, SN 2005ad, Nova in Cyg 2005
- YC2459 (2005 Feb. 14): C/2003 T4, SN 2005W, SN 2005ab, C/2003 O1
- YC2458 (2005 Jan. 29): Orbits of Observable Comets, C/2004 Q2, C/2005 A1, C/2003 A2
- YC2457 (2005 Jan. 25): C/2005 B1, C/2004 V13, C/2004 X2, C/2004 X3
- YC2456 (2005 Jan. 17): 2004 XB45, 131P, 2004 MN4, C/2005 A1
- YC2455 (2005 Jan. 15): C/2003 T4, 103P, 102P
- YC2454 (2004 Dec. 29): 二至二分24節気 2005, 163P/2004 V4, C/2004 V13
- YC2453 (2004 Dec. 28): C/2004 X3, P/2004 Y1, C/2004 Q1
- YC2452 (2004 Dec. 25): C/2004 Q2, P/2004 X1, SOHO Sungrazer Comet
- YC2451 (2004 Dec. 16): C/2004 X1, C/2004 X2, P/2005 V5
- YC2450 (2004 Dec. 16): EN, P/2004 VR8, Geminids in 2004, P/2004 WR9
- YC2449 (2004 Dec. 8): C/2004 U1, SN 2004gk, 119P, 74P
- YC2448 (2004 Dec. 7): Nova Pup 2004, Leonids in 2004, C/2004 RG113, 32P
- YC2447 (2004 Nov. 18): P/2004 Q2, C/2003 S4, C/2001 Q4
- YC2446 (2004 Nov. 18): P/2004 V5, 162P/2004 TU12
- YC2445 (2004 Nov. 11): P/2004 V1, 161P, P/2004 V3, C/2004 V4
- YC2444 (2004 Nov. 10): P/2004 T1, C/2004 T3, C/2004 U1
- YC2443 (2004 Oct. 29): 69P, C/2004 Q1, C/2002 Q2, Editorial Notice
- YC2442 (2004 Oct. 24): C/1997 BA6, SN 2004ez, C/2004 S1, C/2004 R2, Orionids in 2004
- YC2441 (2004 Sept.30): C/2004 S1, 62P, C/2002 T7, C/2004 R2
- YC2440 (2004 Sept.28): SN 2004eo, P/2004 R3, 160P/2004 NL21, C/2003 S4
- YC2439 (2004 Sept.15): Editorial Notice, C/2004 P1, 29P, C/2004 Q1, C/2004 Q2, C/2004 B1
- YC2438 (2004 Sept.14): P/2004 R1, C/2004 R2
- YC2437 (2004 Aug. 30): C/2004 Q1, C/2004 Q2, 78P, Perseids in 2004
- YC2436 (2004 Aug. 23): 2004 FU162, C/2001 K5, 42P, UTC-TAI
- YC2435 (2004 Aug. 17): P/2004 K2, Fireball 2004 July 16 & 22
- YC2434 (2004 Aug. 13): Fireball 2004 July 22, C/2004 P1, C/2004 D1
- YC2433 (2004 Aug. 10): P/2002 A1, P/2002 A2, Edgar Wilson Award, SN 2004dj, Fireball on 2004 July 16, Nova Sco 2004 No.2
- YC2432 (2004 July 28): TNO 2003 UR292, C/2003 T4, C/2004 F4, C/2004 H6
- YC2431 (2004 July 25): Cataclysmic Variable Her., C/2003 H1, P/2001 X2 = 1929 WW, Return Comets in 2007
- YC2430 (2004 June 30): C/2004 L1, C/2004 L2, C/2003 K4
- YC2429 (2004 June 27): June Bootids, C/2004 K3, C/2004 H6
- YC2428 (2004 May 31): P/2004 K2, Landou Damping, C/2004 H6, eta Aquarids
- YC2427 (2004 May 30): SN 2004bv, P/2004 HC18, C/2004 HV60, C/2004 K1
- YC2426 (2004 May 29): C/2004 F4, P/2004 H2, P/2004 H3
- YC2425 (2004 Apr. 27): C/2004 DZ61, P/2004 EW38, C/2004 H1, C/2003 T3
- YC2424 (2004 Apr. 25): Lyrids in 2004, C/2004 G1, Nova Oph. 2004, C/2004 F4
- YC2423 (2004 Apr. 25): C/2004 F2, P/2004 F3, P/2004 CB
- YC2422 (2004 Mar. 29): P/2004 DO29, C/2003 H1, C/2003 K4, P/2004 F1, SN 2004aw in NGC 3997
- YC2421 (2004 Mar. 24): 2000 FH, Nova Sgr 2004, 2003 VB12
- YC2420 (2004 Mar. 11: C/2004 D1, BZ UMa, C/2001 Q4, C/2002 T7, C/2003 K4
- YC2419 (2004 Mar. 3: P/2004 C1, Object Kushida, IRAS 05436-0007, TNO 2004 DW
- YC2418 (2004 Feb. 13): Two Great Comets C/2001 Q4 and C/2002 T7, C/2003 T2, C/2003 V1, 34D/Dale
- YC2417 (2004 Feb. 11): P/2003 WC7, C/2004 B1, Object Kushida, Landou Damping
- YC2416 (2004 Jan. 29): Quadrantids, SN 2004B, P/2003 SQ215, DO Draconids, C/2003 WT42, SN 2004G
- YC2415 (2004 Jan. 25): Seasonal sections, Ursids, SN 2004A, 159P, P/2004 A1
- YC2414 (2003 Dec. 22): Geminids, P/2003 UY275, P/2003 XD10, Dust Clouds, P/2003 W1
- YC2413 (2003 Dec. 16): P/2003 UD16, (69230), 104P, Boo UZ, P/2003 U1, C/2002 O7
- YC2412 (2003 Dec. 10): 2P, 158P, C/2003 S3, 2003 EH1
- YC2411 (2003 Nov. 21): C/2003 W1, 2P, Orionids, P/2002 LZ11, Leonids
- YC2410 (2003 Nov. 21): P/2003 U3, SN 2003iy, C/2003 V1, P/2002 BV, P/2003 F2
- YC2409 (2003 Sept.19): C/2003 T4, C/2003 O1, AG Draconis, C/2003 U1, P/2003 U2
- YC2408 (2003 Oct. 23): C/2003 T3, Giacobinids, 1937 UB
- YC2407 (2003 Oct. 22): 157P, C/2003 T2, C/2003 K1
- YC2406 (2003 Oct. 19): C/2003 S3, C/2003 J1, 29P, C/2003 S4, 104P
- YC2405 (2003 Oct. 19): Editorial Notice, SN 2003ia, P/2003 S1, P/2003 S2, P/2003 R1
- YC2404 (2003 Sept.19): 1P/Halley, P/2002 CE10, SN 2002lt & GRB 021211, C/2003 R1
- YC2403 (2003 Sept.10): C/2002 T7, C/2002 VQ94
- YC2402 (2003 Sept.10): Nova Scuti, P/2003 QX29, Cygnids, C/2001 Q4
- YC2401 (2003 Aug. 12): Edger Wilson Award, P/2003 O2, P/2003 O3, V4641
- YC2400 (2003 Aug. 11): P/2003 HT15, V2573 Oph, C/2003 O1, P/1996 R2
- YC2399 (2003 Aug. 10): Fireball on 2003 June 16, C/2002 O7, P/2003 L1, C/2003 L2, Dust Cloud on Mars, 42P
- YC2398 (2003 June 10): P/2003 KV2, C/2003 L1, Editorial Notice, Return Comets in 2006
- YC2397 (2003 June 10): P/2003 K2 = SWAN's Comet in April, C/2003 K4
- YC2396 (2003 June 9): P/2003 H4, C/2003 J1, C/2003 K1, Spacecraft Nozomi
- YC2395 (2003 June 8): P/2003 F1, C/2003 H1, C/2003 H2
- YC2394 (2003 May 13): Nova Sgr 2003, C/2003 H3, P/2003 H4, SN 2003ed, No 2003ec
- YC2393 (2003 May 11): 156P, C/2003 H1, C/2003 H2
- YC2392 (2003 Apr. 21): (28978) Ixion, (50000) Quaoar, D/1895 Q1
- YC2391 (2003 Apr. 18): P/2003 F2, GRB 030329 and SN 2003dh, C/2003 G1, C/2003 G2
- YC2390 (2003 Apr. 16): C/2001 HT50, C/2002 T7, C/2002 O7, P/2003 F1
- YC2389 (2003 Apr. 1): SN 2003cg, P/2003 E1, C/2003 F1, 2003 FG
- YC2388 (2003 Mar. 29): C/2001 RX14, Landou Damping, UTC-TAI, C/2002 A3, C/2002 X5
- YC2387 (2003 Mar. 19): 79P, D/1783 W1 = P/2003 A1, An Image like Comet on SWAN, C/2003 A2, 66P
- YC2386 (2003 Mar. 16): Editorial Notice, P/2003 CP7, C/2003 E1, Possible Meteors from C/1976 D1
- YC2385 (2003 Mar. 6): Comet on LASCO, Image like Comet on SWAN, 79P/du Toit-Hartley, 25D/Neujmin 2
- YC2384 (2003 Mar. 3): Editorial, Landou Damping, Meteorite, Fireball, C/2002 X5, C/2002 Y1