3/29/2013

Posted on March 30, 2013 Updated on December 5, 2013

Today I took out  the Takahashi FS-102 with Focal Reducer. The seeing was pretty poor. I could not frame the LEO triplet and Orion was quickly heading behind the trees. Focuser was faulty too.

M 42

Lights 12 x 240s (selected 7 manually), Darks 3 x 240s
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Referentiation Matrix (Gnomonic projection = Matrix * Coords[x,y]):
-0.000496768312 -0.000449985663 +0.666465301706
+0.000449359987 -0.000497823254 -0.060848819446
+0.000000000000 +0.000000000000 +1.000000000000
Resolution …….. 2.414 arcsec/pix
Rotation ………. 42.070 deg
Focal …………. 632.39 mm
Pixel size …….. 7.40 um
Field of view ….. 1d 4′ 17.0″ x 48′ 11.5″
Image center …… RA: 05 35 16.203 Dec: -05 25 49.44
Image bounds:
top-left ……. RA: 05 37 56.884 Dec: -05 29 27.13
top-right …… RA: 05 34 45.529 Dec: -04 46 23.45
bottom-left …. RA: 05 35 46.945 Dec: -06 05 15.32
bottom-right … RA: 05 32 35.556 Dec: -05 22 09.09
===============================================================================

M65 & M66

(M65 is top right ) – Lights 1 x 12000sec , Darks 3 x 240 (same as m42)

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Referentiation Matrix (Gnomonic projection = Matrix * Coords[x,y]):
-0.000448421217     +0.000496761040     -0.128307772375
-0.000496712064     -0.000448171154     +0.655619359339
+0.000000000000     +0.000000000000     +1.000000000000
Resolution …….. 2.409 arcsec/pix
Rotation ………. -47.929 deg
Focal …………. 633.65 mm
Pixel size …….. 7.40 um
Field of view ….. 48′ 5.8″ x 1d 4′ 9.3″
Image center …… RA: 11 18 17.314  Dec: +13 10 03.27
Image bounds:
top-left ……. RA: 11 17 45.603  Dec: +13 49 23.27
top-right …… RA: 11 15 33.244  Dec: +13 13 38.01
bottom-left …. RA: 11 21 01.302  Dec: +13 06 22.02
bottom-right … RA: 11 18 48.854  Dec: +12 30 43.03
===============================================================================

Moon phase