Deep Sky Objects - According to Seasons

Spring | Summer | Autumn | Winter | Circumpolar | Legend | References

On this page I collect easy-to-find deep sky objects (DSOs) and present some of their most important properties. These will be mainly objects that I have already observed, or plan to observe (whenever ...). Many such collections have, of course, already been published as well as recommendations for deep sky objects in forums, books, and articles on the Internet. My main goal is therefore only to document my own observations and plans, but also to give other beginners a simple and fast access to deep sky objects that are easy to observe.

See also: Short List (Own Observations, Recommendations from the Internet) - Longer List (Collected from Books)

 

Spring

Object Name Constellation Type Angle of View Looked for? Bino? Remarks
M 3   Canes Venatici GC 7' yes   f.Tr.
M 5   Serpens/Serpent GC 6' yes   too low in summer
M 51 Whirlpool Galaxy Canes Venatici G 8' x 4'     f.Tr.

 

Summer

Object Name Constellation Type Angle of View Looked for? Bino? Remarks
M 13 Hercules Cluster Hercules GC 15' yes yes f.Tr.
M 92   Hercules GC 7' yes    
M 57 Ring Nebula Lyra/Leier PN 1.2' yes   Ring hard to detect
M 56   Lyra/Leier KS 3' yes    
M 16 (NGC 6611)/IC 4703 Eagle Nebula Serpens/Serpent OC+GN 10'/45' x 20' yes    
M 27 (NGC 6853) Dumbbell Nebula Vulpecula/Little Fox PN 8' x 4' ???   f.Tr.
NGC 6960/6992/5 Cirrus Nebula Cygnus/Swan GNE 45' x 5' yes, n.f.    
M 8 Lagoon Nebula Sagittarius GN+OC 20' x 10'/7' yes?    
M 20 Trifid Nebula Sagittarius GN 15' x 10' yes?    
M 10   Ophiuchus GC 8' yes?    
M 12   Ophiuchus GC 5' yes?    
M 17 Omega Nebula, Swan Nebula Sagittarius GN 20' x 15' yes?    
M 11 Wild Duck Cluster Scutum/Shield OC 7'      

Double Stars

Star Partner Constellation Magnitude Separation Remarks 
Albireo (beta Cygni) --- Cygnus/Swan 3.1 - 5.1 34.5" Color contrast

 

Autumn

Object Name Constellation Typ Angle of View Looked for? Bino? Remarks
M 31 Andromeda Galaxy Andromeda G 1.5° yes yes f.Tr., also in Winter
M 15   Pegasus GC 6' yes yes  
NGC 884/869 h & chi Persei Double Cluster Perseus OC 25'/20' yes yes f.Tr., also in Winter

 

Winter

Object Name Constellation Type Angle of View Looked for? Bino? Remarks
M 42/43 Orion Nebula Orion GNE 25' x 30' yes yes  
M 35   Gemini OC 28' yes yes?  
M 36   Auriga OC 12' yes    
M 37   Auriga OC 16' yes    
M 38   Auriga OC 25' yes    
M 1 Crab Nebula Taurus GNE 5' x 4' yes    
M 45 Pleiades, Seven Sisters Taurus OC 1.8° x 1.2° yes yes  
Mel 25 Hyades Taurus OC 5° x 4° yes yes  
M 44 Praesepe, Beehive Cancer/Crab OC 70' yes yes f.Tr.

 

Circumpolar

Object Name Constellation Type Angle of View Looked for? Bino? Remarks
M 103   Cassiopeia OC 6' yes yes Autumn
NGC 663/654   Cassiopeia OC 15'/5' x 3'     Autumn
M 81/82 Bode Galaxies Big Bear/Dipper G 12' x 5'/6' x 2' yes, n.f.   f.Tr., Winter-Spring

Double Stars

Star Partner Constellation Magnitude Separation Remarks 
Mizar Alcor Big Bear/Dipper 2.3 - 3.9 14.4" Mizar is itself a double star

 

Legend

Type: G = galaxy, GC = globular star cluster, OC = open star cluster, PN = planetary nebula, GN = galactic nebula (GNE = emission, GNR = reflection), SP = star pattern or asterism

Angle of View: The sun and the moon are about 30' for comparison

Looked for? indicates whether I have already looked for this deep sky object.

Bino? refers to our non-standard 10 x 25 binoculars, since October 2017 also to out TS 10 x 60 binoculars.

n.f. = not found; f.Tr. = recommendend for Trillian!

 

References

 

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07.11.2017