Object : LDN896
Common name :
Date : 27 juillet au 11 aout 2022
Optics : Newton SV400 F4
Mount : Paramount ME Numéro 2
Location : Orange observatory
Seeing FWHM :2.03 à 3.30
Ccd : Proline FLI 16803
filter wheel : FLI
filters : Astrodon HaRVB
Focuser :Atlas
Guiding : Atik 414L+
Temp. out : T° de
Temp ccd : -35°
Resolution …………… 1.153 arcsec/px
Rotation …………….. 1.850 deg (flipped)
Reference system ……… ICRS
Focal distance ……….. 1609.52 mm
Pixel size …………… 9.00 um
Field of view ………… 1d 18′ 44.2″ x 1d 18′ 44.2″
Image center …………. RA: 20 43 17.826 Dec: +39 25 50.99
Total exposure 24.75  h
tout en binning 1×1
Ha  117 x 10mn
15R 30V 30B x 5mn