May 2016 Digital Extra B ON US WE B CONTE NT * Two Cool Galaxies: Photo Gallery M81 and M82 * Observe the Moon * Adaptive Optics: Find guides, basic and advanced, to help you make the most of our nearest celestial neighbor. Before and After See how adaptive optics changed astronomy in this image gallery. Get the story on LIGO's first-ever direct detection of spacetime ripples. Image by Amirali Momeni Pocket Sky Atlas - Jumbo Edition A clear and detailed atlas, easy to consult at the telescope. 62 48 3 ° LIB V13 39 W 75 54 Nor 56 77 59 5694 58 74 (c) RA 72 2 V10 70 HYD RA 3 υ US c² Egg R 1 RCW κ 103 ι2 RM 18 c 2.1 C I RC INU is 20 65a 15 h C YG 24 22 688 6 64 θ χ NU S 5483 41 5530 IC 4406 IC 4402 22126 LA 5749 V716 v V412 α Sa 172 ρ S δ vdBH 0 τ1 τ2 ι CU 5662 V Pism γ 52 694 ESO 5 5823 β PK 322- 6025 16 h 0 IC 4444 690 b A ι1 h481 3 60 Neb η 696 σ US 5822 T NO Cr 292 S 137-3 4 T 5643 α28 LPE 29 Hogg ζ 6067 κ ζ 6087 ESO FI D 102 Cr 299 R ο 31 30 h469 0 π VU 5946 RCW Atlas 21 h FZ - Jum bo Edi tion 61 694 B14 6 8-9 693 20 h 9 CN 14 h eb W 33 23 V11 43 ψ U(c ) -115 ο2 Sh2 Z 39 µ vdB 15 16V744 17 9 20 h Q 16 R θ CH ι 6811 δ AF RR 4 17 5128 Σ 257 χ (c) 5139 SV Sh2 -90 -88 6813 Sh2 β 10 Stoc k1 682 3 680 0 vdB 8 6 PK 64+ 5.1 φ t Neb ula 9 = M1Albi reo 92 ω Cen Foo SU tprin 5307 Dum 5286 13 K Mbbell Neb ula θ M27 683 0 12 682 X 0 ε V381 Blin Plan king etar 682 y 6 RT Answer your science- and hobby-related questions - or ask your own. 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Check out our on-demand webinar. Test yourself - how many details can you spot in M81 and M82? * Gravitational Wave E XPLORE O UR WE B S ITE! 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