Sky atlas

Browse the Greptun catalog, DSS imagery (CDS), and an interactive Aladin Lite map. Jump straight from an object to booking.

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AllGalaxiesNebulaeOpenGlobularPlanetary

• M31Andromeda Galaxy
• M33Triangulum Galaxy
• M51Whirlpool Galaxy
• M81Bode's Galaxy
• M82Cigar Galaxy
• M101Pinwheel Galaxy
• M104Sombrero Galaxy
• M42Orion Nebula
• M43De Mairan's Nebula
• M45Pleiades
• M1Crab Nebula
• M8Lagoon Nebula
• M16Eagle Nebula
• M17Omega Nebula
• M20Trifid Nebula
• M27Dumbbell Nebula
• M57Ring Nebula
• M13Hercules Cluster
• M3M3 Globular
• M5M5 Globular
• M92M92 Globular
• M44Beehive Cluster
• M35M35 Open Cluster
• M36M36 Open Cluster
• M37M37 Open Cluster
• M41M41 Open Cluster
• M46M46 Open Cluster
• M47M47 Open Cluster
• M48M48 Open Cluster
• M67M67 Open Cluster
• NGC7000North America Nebula
• NGC6960Western Veil
• NGC6992Eastern Veil
• IC1396Elephant Trunk
• NGC869Double Cluster (h)
• NGC884Double Cluster (χ)
• NGC2237Rosette Nebula
• NGC2264Cone Nebula / Christmas Tree
• NGC253Sculptor Galaxy
• M64Black Eye Galaxy
• M66M66 Galaxy

M51 Whirlpool Galaxy

13h 29m +47° 11' · 11′ · Galaxies · FoV 0.40°

DSS2DSS red2MASSWISE

Map: Aladin Lite (CDS Strasbourg) – HiPS surveys DSS / 2MASS / WISE.

Preview: DSS2 color cutout via CDS hips2fits (public).

Difficulty

3/5

Integration

90 min

Framing

single

Months (1–12)

3, 4, 5, 6

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