Asteroid
Astraea 5

Object :	Asteroid, Astraea 5
Coordinates/Direction :	-
Object size :	-
Object magnitude :	8.74 - 12.89
More to know :	You can read more about the asteroid at Wikipedia: https://en.wikipedia.org/ wiki/ 5 Astraea

Date :	2015-11-22
Time (UT) :	00:05 to 00:38

Mount :

Guide :

QHY5 camera with off-axis

Lens/telescope :	TS130 APO f/7 910mm (682mm, f/5.2), 3" focuser
Corrector/Barlow :	Riccardi 2.5" field flatter, x0.75. T48 connector to camera
Field (FOV) :	3.0 x 2.0^o (full frame) before crop

camera :	Canon 6D, QE=0.5, full frame, 20 Mpixel, 14 bit
camera temperature:	About 6^o C above surrounding temperature
Film/CCD :	Raw, Cr2
Filter :	none

Control system:

Mount, camera, focus, guide (Ekos) controlled by Astroberry (KStars/Ekos Linux)

Exp. time :	46x30 second at iso800, dithering mode
Image process tool :	Fitswork, Irfanview
Processing :	cal dark
Weather :	Clear Sky

Site :

Sweden, Stockholm, Hagsätra. Bortle 9
Free view Az: 20^o-90^o, 165^o-185^o, La: 20^o-55^o

Comment :

One of few asteroids I have taken a photo of. It was 8 years since I took this photo. I was testing to do relative guiding with PHD2.

Date :	2015-11-22
Time (UT) :	00:05 to 00:38

Site :

Sweden, Stockholm, Hagsätra. Bortle 9
Free view Az: 20^o-90^o, 165^o-185^o, La: 20^o-55^o

Comment :

Other sources of information:

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