Target Type R. A. Dec. Constellation Magnitude Size NGC 1245 Open Cluster 03h 14m 42s +47° 14′ 00″ Perseus +8.4 32 arcmins Overview Our final challenge of the month takes us to the constellation of Perseus and a small but beautiful cluster of stars. Its position within the constellation makes it a straightforward find and …
Target Type R. A. Dec. Constellation Magnitude Size Eagle Nebula (M16) Emission Nebula 18h 18m 48s -13° 47′ 00″ Serpens +6.4 35′ x 28′ Overview We all became understandably fixated with Jupiter and Saturn in the summer. This month, they still present a pleasing view, which means many of us will have the Teapot asterism …
Target Type R. A. Dec. Constellation Magnitude Size NGC 7331(Caldwell 30) Spiral Galaxy 22h 37m 04s +34° 24′ 56″ Pegasus 9.25 9.3 x 3.8 arcmins Overview The main galaxy we’re hunting for in this challenge is a large oval galaxy with a bright center. What’s not mentioned in the table above are the four ‘fleas’ …
Spiral Galaxy NGC 7331, and ‘the Fleas’ Copy Copy Copy Read More »
Target Type R. A. Dec. Constellation Magnitude Size M77 Spiral Galaxy 02h 42m 41s -00° 00′ 48″ Cetus +9.0 6.1×5.6 arcmins Overview The 77th item in Messier’s catalog is a barred spiral galaxy in the constellation of Cetus, the whale. The galaxy was discovered by Pierre Méchain in 1780, and added to Messier’s list that …
Target Type R. A. Dec. Constellation Magnitude Size Skull Nebula Planetary Nebula 00h 47m 04s -11° 52′ 22″ Cetus +10.4 1.0×3.5 arcmin Overview We stay with Cetus for our third challenge of the month: the Skull Nebula, NGC 246 (also, Caldwell 56). This planetary nebula was first observed by William Herschel in November 1785. What …
Target Type R. A. Dec. Constellation Magnitude Size Caldwell 5 (IC 342) Spiral Galaxy 03h 46m 49s +68° 05′ 46″ Camelopardalis +8.5 19.8 x 18.8 arcmins Overview Make no mistake, this is a challenging object to find! You might look at the table above, see that it shines at magnitude 8.5, and think “that’s quite …
Target Type R. A. Dec. Constellation Magnitude Separation Epsilon Lyrae Double Star 18h 44m 20s +39° 40′ 12″ Lyra +5.0 & +6.1 2.2″ at 344° Overview Lyra is a small but prominent constellation, thanks to its bright star Vega and that its distinctive parallelogram shape is seen high towards the zenith in a summer’s evening. …
Epsilon Lyrae, the ‘Double Double’ Copy Copy Copy Read More »
Target Type R. A. Dec. Constellation Magnitude Size M2 Globular Cluster 21h 33m 27s -00° 49′ 24″ Aquarius +6.5 16.0 arcmins Overview Our first challenge this month is to find the second object in Charles Messier’s catalog. Although he discovered it independently, he wasn’t the first astronomer to point a telescope in its direction. Jean-Dominique …
Target Type R. A. Dec. Constellation Magnitude Separation* (A) 3 Pegasi Double Star 21h 37m 44s +06° 37′ 06″ Pegasus +6.2 39.0″ at 348° (B) 72 Pegasi Double Star 23h 33m 57s +31° 19′ 31″ Pegasus +6.1 0.6″ at 108° (C) 85 Pegasi Double Star 00h 02m 10s +27° 04′ 56″ Pegasus +5.8 0.8″ at …
Target Type R. A. Dec. Constellation Magnitude Size Cat’s Eye Nebula (Caldwell 6, NGC 6543) Planetary Nebula 17h 58m 33s +66° 37′ 59″ Draco +8.1 0.4×0.3 arcmin Overview The Cat’s Eye Nebula is one of the best and brightest planetary nebula for a small telescope to seek out. We find it nestled in the ‘neck’ …
