| 월호 | 분류 | 제목 | 내용 |
| 2025.03 | 특집 (Nebula Deep-Dive) | A Rosette By Any Other Name | 장미성운과 주변부 상세 관측
NGC 2244 (Open cluster), NGC 2237 (Emission nebula), NGC 2238 (Emission nebula),
NGC 2246 (Emission nebula), Collinder 97 (Open cluster), Collinder 104 (Open cluster),
Collinder 107 (Open cluster), NGC 2252 (Open cluster), NGC 2261 (Emission nebula),
NGC 2264 (Emission nebula), 12 Monocerotis (Variable star), HD 46150 (Young stellar object),
HD 46223 (Young stellar object)
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| 2024.03 | 특집 (Ursa Major Targets) | Galaxy-Hopping in the Great Bear | 큰곰자리 주위의 은하 관측 (10인치-18인치)
NGC 2768 (Elliptical) , NGC 2841 (Spiral) , M81 (Spiral) , M82 (Irregular) , NGC 2976 (Spiral),
NGC 3077 (The Garland, Irregular) , IC 2574 (Coddington’s Nebula, Dwarf spiral) ,
NGC 3184 (Spiral), NGC 3198 (Barred spiral) , NGC 3675 (Spiral) , NGC 3726 (Spiral) ,
NGC 3631 (Arp 27, Spiral), M108 (Barred spiral) , M109 (Barred spiral), NGC 3953 (Barred spiral),
NGC 3893 (Spiral) , NGC 3938 (Spiral) , NGC 4051 (Spiral) , NGC 4605 (Barred spiral) ,
NGC 5322 (Elliptical) , M101 (Spiral)
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| 2023.03 | 특집 (Exploring Nebulae in Monoceros) | Dust in the Southern Unicorn | 외뿔소 자리의 성운 관측
NGC 2149, LDN 1644, LDN 1646. NGC 2170, vdB 69, vdB 68, NGC 2182, NGC 2183, NGC 2185,
HH 271-273, Dobashi 1493. vdB 80, NGC 2316, LDN 1653, LDN 1654, NGC 2313, DG 113,
LDN 1655, LDN 1656, Sharpless 2-29, vdB 87, Sh 2-287, LDN 1650, HH 227, IC 466,
갈매기 성운과 주변 ( IC 2177, vdB 88, NGC 2327, Sh 2-292, vdB 90, vdB 92, LDN 1657, LDN 1658)
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| 2022.03 | 특집 (One Astounding Night) | William and Caroline Herschel’s Big Night | Herschel Hustle (또는 Herschel Sprint 또는 Herschel Marathon)
허셸이 1785년 4월 11일 하루에 발견한 74개의 천체를 하루에 관측하는 도전에 대한 소개와 대표 대상 관측
NGC 4209, NGC 4559, NGC 4448, NGC 4251, NGC 4173, NGC 4169, NGC 4174, NGC 4175,
NGC 4278, NGC 4283, NGC 3550, NGC 3552, NGC 4889, NGC 4874, NGC 4952, NGC 3713,
NGC 4692, NGC 4798, NGC 4908, IC 4051, NGC 4393
(참고: https://www.astroleague.org/herschel-hustle/)
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| 2021.03 | 특집 (Planetary Nebulae) | Springtime Blossoms | 봄철의 행성상 성운 관측 (some are more familiar while others are more challenging) + 적당한 필터 추천
NGC 3242 (Ghost of Jupiter; Hya), NGC 3132 (Eight-Burst Nebula; Vel), M97 (Owl Nebula; UMa),
IC 3568 (Lemon Slice; Cam), NGC 2818 (Pyx), J 900 (PN G194.2+02.5; Gem), NGC 4361 (Crv),
NGC 2610 (Hya), JnEr 1 (PN G164.8+31.1; Lyn), K 2-2 (PN G204.1+04.7; Mon),
PuWe 1 (PN G158.9+17.8; Lyn), LoTr 5 (PN G339.9+88.4; Com)
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| 2020.03 | Deep-Sky Wonders | The Twins of Jove | Westernmost Gemini harbors a great variety of nebulae and clusters. (쌍둥이자리 서쪽 끝부분의 관측대상들)
Open cluster (M35, NGC 2158, NGC 2129) , Asterism (Ferrero 18),
Supernova remnant (IC 443) , Planetary nebula (HoCr 1, J900) |
| 2019.03 | Deep-Sky Wonders | The Great Twin Brethren | 쌍둥이자리 관측 대상
Multiple star (Castor) , Carbon star (NQ Gem) , Open cluster (NGC 2355, NGC 2395),
Planetary nebula (NGC 2371 + 2372 , NGC 2392 , Abell 21) , Flat galaxy (NGC 2357) |
| 2018.03 | 특집 (Starburst Galaxies) | Star Factories | Starburst Galaxies
M82 , NGC 1569 , NGC 3310 , NGC 4038 , NGC 4039 , NGC 4449 , M94 , NGC 6946 , NGC 253,
IC 10, NGC 2537 , Hen 2-10 , NGC 5010 , NGC 6240
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| 2018.03 | Deep-Sky Wonders | The Crab and the Water Monster | 게자리, 바다뱀자리 관측 대상
Open cluster (M44 , M67 , M48) , Planetary nebula (Abell 31 , Abell 33 , NGC 3242) ,
Spiral galaxy (IC 523)
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| 2018.03 | Going Deep | Ancient Photons from AGNs | Active Galactic Nucleus를 가지고 있는 은하 (Seyfert galaxies, BL Lacertae objects (BLL), and quasars)
NGC 660 (Seyfert) , NGC 5548 (Seyfert) , 1ES 2344+51.4 (BLL) , 3C 66A (BLL) ,
UGC 1841 (Seyfert) , KUV 18217+6419 (Quasar) , PG 1718+481 (Quasar) ,
QSO 0957+561 (Lensed quasar) , QSO 2237+0305 (Lensed quasar) ,
J014709+463037 (Lensed quasar)
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| 2017.03 | Deep-Sky Wonders | Little Lion | 작은사자 자리 관측 대상
Asterism (Sailboat)
Galaxies (NGC 3344 , NGC 3414 , NGC 3418 , NGC 3486 , NGC 3430 , NGC 3424 , NGC 3413 ,
NGC 3395 , NGC 3396 , NGC 3432 , NGC 3294)
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| 2017.03 | Going Deep | A Flotilla of Edge-On Galaxies | 큰곰자리의 Edge-On 은하 관측
NGC 4026 (S0) , NGC 4100 (SAbc) , NGC 4157 (SAB) , NGC 4088 (SABbc) , NGC 4085 (SBc) |
| 2016.03 | 특집 (Cosmic Coils) | The Spiral Arms of Spring | 봄철의 나선은하
M81 , NGC 3184 , M66 , NGC 3631 , M101 , M61 , M99 , M100 , M58 , NGC 4725 , M106 ,
M51 , M83
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| 2016.03 | Deep-Sky Wonders | Isles of Light | 쌍둥이자리 관측 대상
Double star (ζ Gem , δ Gem , κ Gem) , Asterism (O’Neal 9) ,
Open cluster (NGC 2304 , NGC 2420 , NGC 2331 , NGC 2266) |
| 2016.03 | Going Deep | Galaxies in the Beehive | 프레세페 성단 (M44) 내부의 은하 관측
NGC 2647 , NGC 2643 , NGC 2637 , IC 2388 , NGC 2625 , NGC 2624 , PGC 24284 , PGC 24335 ,
UGC 4526
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| 2015.03 | 특집 (Deep-Sky Spring) | Edge-On Galaxies | Edge-On Galaxies
IC 2233 (Lyn) , MCG –1-24-1 (Hya) , NGC 3044 (Sex) , NGC 3190 (Leo) , NGC 3432 (LMi) ,
NGC 3628 (Leo) , NGC 3877 (UMa) , NGC 4565 (Com) , NGC 5673 (Boo) , IC 1029 (Boo) ,
NGC 5746 (Vir) , NGC 5907 (Dra)
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| 2015.03 | Deep-Sky Wonders | Happy Anniversary! | Celebrate a century of Melotte’s star clusters. (멜로떼 성단 100주년 기념 관측 대상)
NGC 2324 (Mon) , NGC 2309 (Mon) , NGC 2215 (Mon) , NGC 2509 (Pup) , NGC 2421 (Pup) ,
NGC 2489 (Pup) , NGC 2439 (Pup) , NGC 2627 (Pyx) , NGC 2658 (Pyx)
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| 2014.03 | 특집 (Hunting Distant Objects) | New Jersey Quasar Quest | See Quasars from Your Backyard(?)
UGC 545 , HS 0624+6907 , B3 0754+394 , Ton 951 , 4C +29.45 , PG 1211+143 , 3C 273 ,
PG 1351+640 , Mrk 478 , IRAS 17596+4221 , KUV 18217+6419 , RX J23273+1524 |
| 2014.03 | Deep-Sky Wonders | The Twins of Jove | 2020.03과 동일 |
| 2013.03 | Deep-Sky Wonders | Sailing South | 고물자리, 나침반자리 관측 대상
Open cluster (NGC 2571 , NGC 2567 , NGC 2546 , NGC 2451 , NGC 2477 , NGC 2818),
Barred spiral galaxy (UGCA 137) , Emission nebula (NGC 2579 , ESO 370-9) ,
Planetary nebula (NGC 2818)
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| 2013.03 | Going Deep | Celestial Fireworks | 기린자리 부근의 3개 은하와 은하 내 H-II region 관측
NGC 2403 , NGC 2366 , Holmberg II |
| 2012.03 | Deep-Sky Wonders | The Southern Main | 고물자리의 성운 성단 관측
Open cluster (M93, NGC 2482, Trumpler 9, Haffner 18, Haffner 19, NGC 2453)
Emission nebula (NGC 2467) , Planetary nebula (NGC 2452) |
| 2011.03 | Deep-Sky Wonders | Oddities in Northern Orion | 오리온자리의 조금 덜 알려진 관측 대상
Asterism (FSR 983) , Double star (52 Orionis) , Open cluster (NGC 2141) ,
Cometary nebula (Cederblad 59), Planetary nebula (NGC 2022 , Kohoutek 1-7 , Abell 12) ,
Emission nebula (Lower’s Nebula)
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| 2011.03 | Going Deep | The Galaxy Group AWM 1 | AWM-1 은하 그룹 관측
NGC 2804 , NGC 2809, IC 2457 , NGC 2807, PGC 26212, NGC 2806 , PGC 26226 ,
NGC 2813, NGC 2812, PGC 26239, PGC 26221, PGC 26182, NGC 2801 |
| 2010.03 | Deep-Sky Wonders | Keeper of Secrets | 살쾡이 자리 부근 관측 대상
Double/Triple star (ι Cancri, 57 Cancri) , Asterism (Inchworm)
Spindle galaxy (NGC 2683) , Tidal-tail galaxy (NGC 2782) , Flat galaxy (NGC 2424 , IC 2233),
Dwarf galaxy (NGC 2537) , Face-on galaxy (NGC 2537A) ,
Globular cluster (NGC 2419) , Planetary nebula (JnEr 1) |
| 2010.03 | Going Deep | A Pride of Galaxies | NGC 3158 group 13개 은하 관측 |
