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                       Messier 46 (mouse over shows names)

M46 by Gerard van den Braak

Object data

Object type:

M46 (NGC 2437) + NGC 2438 + NGC 2425

Size:

20x20arcmins

Magnitude:

6.1

Constellation:

Puppis (achterschip)

Distance:

5,300LY

 

 

Exposure data

Date, time

2009-01-30   ~23.30 UT

Julian day number

2454 862

Location:

Zuidlaren, Holland

Telescope:

Takahashi-FSQ106ED f5

Camera:

ST 2000XM CFW10

Filters:

L: 5x2.5min

R:
  G:
  B:

Temperature outside:

-20C

Temperature CCD:

-250C

Binning:

1x1

Field of view:

77x58 arcmins

Processing tools:

CcdSoft,V5  Photoshop CS3

Imaged by:

Gerard van den Braak

Notes:

Open cluster of very faint stars. Discovered.
by Messier in 1771
NGC 2438 is an planetary nebula