RIFERIMENTO POLARE
POLAR REFERENCE

 
Technical data of acquisition

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Basic object information

CCD Acquisition: Starlight Xpress SXV-H9 ( 16 Bit )
CCD Autoguide
: SBIG ST 7 XME 402 E
Optic configuration of the telescope: W.O.Megrez SDII 80 mm.
 F 555mm  f/d 6,9 ( apograde TMB ) + focal reducer f 6,3 Meade. Effective focal 352mm. f/d 4,4 frammed field 1,5 x 1,1 degrees

German Equatorial Mount:
Gemini G 41 Observatory Plus and FS 2 system control
Luminance integration time:
Total exposition 11 minutes  with  filter Astronomik CLS Profi
Integration color time:
R 20x20" G 20x20" B 15x20"
Software used for the acquisition and the elaboration:
CCDSoft, Photoshop CS2, Astroart 4.0
Date of acquisition: December 2007

Zone of acquisition:
Fixed posting of San Giuliano P.no ( Piacenza ) Italy
LAT. 45 4' 5"N - LONG. 10  00' 00"E
Author Astroimager:
Davide Romanini
- ASTRODAVID -

 

Name: M 45 NGC 1435
Popular name: Tempel's nebula or Pleiades nebula
Type of object: Bright nebula +open cluster
Apparent size: 30.0'

Position (epoch of date)
Right ascension: 3h 46m 39s
Declination: +23 47' 30"
Constellation: Taurus
 

 

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