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IRAS 21526 + 5728

astrophotography
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#1 outters

outters

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Posted 19 September 2020 - 10:23 AM

JP Metsavainio is a very famous astrophotographer and asked me to image an area close to nebula IC1396.
The best period was July August of the following year and 38 hours of exposure were necessary to bring out some nuances.
The object is actually an HII region animated by the IRAS.

 

Technical shooting data

Object: IRAS 21526 + 5728
Common name:
Date: July 25 to August 21, 2020
Optics: Newton OO400 F3,8
Mount: Paramount ME Number 1
Location: Orange observatory
Seeing FWHM: 2.13 to 4
Ccd: Moravian G4
filter wheel: Moravian
filters: Astrodon HaOIIIRVB
Focuser: Atlas
Guiding: Atik 314L +
Temp. out: T ° from 14.8 to 26 °
Temp ccd: -25 °
Resolution …………… 1.221 arcsec / px
Rotation …………… .. -7.797 deg
Observation start time… 2020-08-09 01:48:59 UTC
Observation end time… .. 2020-08-09 01:58:59 UTC
Geodetic coordinates… .. 6 19 04 W 46 01 49 N
Focal distance ……… .. 1520.16 mm
Pixel size …………… 9.00 um
Field of view ………… 1d 23 ′ 21.9 ″ x 1d 23 ′ 21.9 ″
Image center …………. RA: 21 54 17.013 Dec: +57 33 58.93
Total exposure 38 h
while binning 1 × 1
Ha 103 x 10mn
OIII 78 x 10mn
32R 32V 32B x 5mn

 

Link for the full frame : http://outters.fr/wp...IIOIII_rgb7.jpg

 

Attached Thumbnails

  • candidate_JP-HaOIIIOIII_rgb7-600x600.jpg

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