AP 2

The Messier Catalogue

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Open cluster M41 directly south of Sirius, in Canis Major.

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Globular clusters M19 (top arrow) and M62 (below) in Ophiuchus; with (a) HIP 84297. Jun 10 2015, 0107 IST.

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Globular clusters M4 (blue arrow) and M80 (white arrow) in Scorpius; with (a) mag 1.05 Antares. Jun 11 2015, 0019 IST.

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The magnificent Sagittarius region

Containing 15 Messier objects; starforming nebula M17, the Swan nebula; open clusters M18, M23 and M25; M24, the Sagittarius Star Cloud and, in Serpens Cauda, starforming nebula M16, the Eagle Nebula. With (a) mu Sgr. April 22 2015, 0441 IST…

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Supernova remnant M1, the celebrated Crab Nebula in Taurus (arrowed). A brilliant daylight object as viewed from Earth in the year 1054. With zeta Tauri (1). Nov 3 2014, 0142 UT.

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Open cluster M103 (white arrow) amid the endless starfields of Cassiopeia, with non-Messier open cluster NGC 663 (red arrow); also the superb Double Cluster NGC 869/884 (red curve) in Perseus. With (a) Ruchbah and (b) Segin, delta and epsilon Cas. Nov 3 2014, 0411 UT.

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Reflection nebula M78 in Orion (arrowed); with (a) the Flame Nebula (NGC 2024) east of Alnitak; open cluster Collinder 70 centred on Alnilam (b), and open cluster NGC 2112 centre-left (c). Nov 15 2014, 0037 UT.

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MESSIER II