Observing Log for Mike Durkin


12/30/16 about 9:30PM-11:00PM
Locust Valley, NY
Transparency: 6-9/10, Seeing 3/5
Temperature: 25-35 degrees
Equipment: Stellarvue 70mm refractor and 10x50 binoculars.

Visual measurements of variable stars ο Cet, R Cet, and TU And.
I wanted to do a couple of others, but clouds came in.


12/28/16 about 6:00PM-12:00 midnight
Locust Valley, NY
Transparency: 8/10, Seeing 2-3/5
Temperature: 25-40 degrees
Equipment: Canon Rebel T3i

DSLR photometry of P Cyg abd CH Cyg.
After a break I went back and imaged the Rosette Nebula.

Rosette_06
Wide angle image of the Rosette Nebula.

Camera: Hutech modified Canon T3i
Lens: 75x300 zoom lens. Set at 300mm f/5.6
Exposure: 186x30s (93 minutes total)
ISO: 1600
Location: Long Island
Processing: Maxim DL for calibration with dark and flat frames, and for stacking. Photoshop with GradientXTerminator and Astronomy Tools used for additional processing.

Earier in the day I did clean the mirror of the 16 inch Meade, although I did not try to use it tonight. Hopefully the cleaning job was done OK.


12/9/16 about 11:30PM-1:30AM
Locust Valley, NY
Transparency: 9/10, Seeing 3/5
Temperature: 25-35 degrees
Equipment: Canon Rebel T3i

DSLR photometry of b Per, γ Cas, κ Cas, ρ Cas, and ε Aur.
b Per was mainly a test run for an eclipse event around 12/15, so I want to be ready if I have clear skies on Friday night. Note that because the lens was a little bit better focused, I had to use a shorter exposure, around 6 seconds. When I measure P Cyg, I am not as well focused and take longer exposures.
Also did a visual measurement of α Ori.







Other Log Entries
<-- 2015 Jan  Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct  Nov  Dec   2017 -->