My Astrophotography – Messier 41

Messier 41 (Open Cluster) / NGC 2287 / Little Beehive Cluster

  • Found just about four degrees directly south of Sirius, the brightest star in the night sky.
    o
  • It is a stunning, easy target for standard 10×50 binoculars and wide-field low-power telescope eyepieces.
    o
  • Its bright red giant stars ~ M41 contains several red or orange giants, including a prominent central K‑type giant of magnitude +6.7 ~ these give the cluster its warm, colourful look.
    o

  • Object Name
    M41

  • Object Type
    Open Cluster

  • Constellation
    Canis Major

  • Magnitude
    +4.5

  • Distance
    2,300 light-years

  • Age
    190 billion years

oooo


Equipment

Telescope:

Mount:

Accessories:

Sky-Watcher Esprint 80ED Triplet

Sky-Watcher AZ-EQ6 GT

ZWO ASIair Plus / PixInsight

Camera:

Guiding:

Filter:

ZWO ASI585MC Pro cooling

ZWO ASI1200MM

2″ Optolong eNchance

Bortle Scale: Welbourne, North Norfolk (Bortle 6.6)


oooo
Integration

  • Date:
    Wednesday 24th September 2025
  • Moonlit:
    Waxing Crescent 3 days old
    Magnitude: -9.8
    Moonlit: 7.8%
  • Total:
    180’s x 10 subs = 30 minutes

oooo


oooo
Constellation :- Canis Major / The Great Dogs

Object :-

oooo

Object :-

Other name :-

Type :-

Magnitude :

Distance :-

Constellation :-

Right Ascension :-

Declination :-

oooo

oooo

M41

NGC 2287 / Little Beehive Cluster

Open Cluster

+4.5

2,300 light years / 26 light years across

CVn (Canis Major / The Great Dogs)

06h 46m 00s

-20° 46′ 38″

Enlarge on click the map.

(Click the map above for a large view.)

Abbreviation:  CVn
English Name:  The Hunting Dogs
Genitive: Cor Caroli
Hemisphere: Northern Hemisphere
Location: Between the constellations of Puppis and Lepus.
Visible between latitudes:  +90 and -40 degrees
Best season: Spring
Seen in three seasons: Winter, Spring and Summer
Best seen in:  Early May (map)
Seen between: Circumpolar (This constellation of Camelopardalis stays in the Sky all the year.)
Right Ascension (RA): 13 hour
Declination (DEC): +40 degrees
Area (square degrees):  465 (38th)

oooo


oooo

Facts about M3

oooo

  • Its size and visibility ~ it spans about the size of the full Moon and shines at magnitude 4.5, making it visible to the naked eye under dark skies and excellent in binoculars.
    o
    o

oooo


oooo
oooo
oooo

Back

oooo

oooo

Comments are closed.