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C/2025 R3 Panstarrs
Mosaic
As this new comet
brightens in the morning sky, the need for a wider field of view
in our images becomes a necessity to capture its full tail length.
This 2 panel mosaic is 6 degrees wide and shows the faint tail
starting to break into streamers along its length. Two shots
with the RASA 8 were taken. The camera was rotated such that
the tail spanned the long dimension so that two shots side by
side would reveal the entire appendage. Processing for the correct
color continues to be a difficult task, comets at low elevations
are missing the blue components in their light due to obscuration
from suspended dust and haze in the earths atmosphere. Getting
the star color close is the first step in this process, then
adjusting the amount of additional blue in the RGB mix is more
or less a empirical procedure.
-Date/Time Local:
4/8/26 3:56am MST
-Date/Time UT: 3/26/26 10:56 UT
-FOV: 6 x 2.25 degrees
-Orientation: 341d E of N
-Seeing:1
-Transparency: 2
-Scale: 13.6 arcsec/Pixel
-Instrument: RASA 8 f/2
-Exposure: 40 min total (20m each panel)
-Camera: ASI2600MC
-Location: Payson,AZ
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Lens: 8 f/2 RASA Schmidt
Camera: ASI2600 MC
Platform: Ioptron GEM45
Exposure: 40mins
Location: Payson, Arizona
Elevation: 5150 ft.
Sky: Seeing 4/10, Transparency 7/10
Outside Temperature: 45F
Processing Tools: Maxim DL, Photoshop CS2
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