| Object: |
|
Left Image: M51 one month
before the supernova blast. Right
Image: M51 and Supernova SN2011dh on 04 June 2011 |
| Coordinates: |
|
RA
= 13h 29.9m, DEC = +47° 12' |
| Telescope: |
|
Televue
NP-101 (4-inch f/5.4 APO refractor)
|
| Mount: |
|
Losmandy
G11 German
Equatorial |
| Guide
Scope: |
|
Stellarvue
S80/9D refractor supported by a Robin Casady TGAD (Tandem Guidescope
Aiming Device) |
| Guide
Camera: |
|
Orion
StarShoot AutoGuider & PHD guiding
software |
| Imaging
Camera: |
|
Canon
20Da
|
| Filters/Exposures: |
|
(04
June Supernova image) Twelve 3-minute exposures @ ISO 800, stacked and
processed in Photoshop |
| Shooting
Location: |
|
Virginia Beach, VA
|
| Date/Time: |
|
04
June 2011 @ 04:42 UTC (mid exposure) |
| Comments: |
|
The
image on the right was taken
from my backyard on 04 June 2011 under a highly light polluted sky.
The comparison image at left was taken 01 May 2011 under a fairly
dark
sky in
Gates County, NC.
|
