Feb 122017
 

Montes Piton (isolated mountain to left)
Crater Cassini (left center)
Vallis Alpes (upper center)
Crater Aristoteles (large crater, left center)

Straight Wall at left (110 km long, 2-3 km wide)
Crater Ptolemaseus (right large crater, look closely along floor of crater and see several small craters)

Telescope Celestron C8
Camera Skyris 236C
Exposure Video [F:30s]
Software Registax, Corel Paint Shop Pro
 Posted by at 1:49 pm
Jan 232017
 

The dark streaks are solar filaments; portions of solar plasma suspended above the surface by magnetic fields.

Telescope Coronado SolarMax 60 (double stacked)
Camera Canon Powershot 130
Exposure [Ha:1×1/30s@ISO 400]
Software Corel Paint Shop Pro
 Posted by at 12:12 pm
Jul 252016
 
Telescope Celestron C8
Camera Sony Alpha
Exposure [F:1×1/160s@ISO 100]
Software Corel Paint Shop Pro

 

Mars: Large dark surface marking in center is Syrtis Major.

Mars : Large dark surface marking in center is Syrtis Major.

Telescope Celestron C8
Camera Skyris 236C
Exposure [F:148×1/10s]
Software Registax, Corel Paint Shop Pro

 

Jupiter: Dark spot is shadow of Io.  Ganymede is to the upper right.

Jupiter: Dark spot is shadow of Io. Ganymede is to the upper right.

Telescope Celestron C8
Camera Skyris 236C
Exposure [F:148×1/10s]
Software Registax, Corel Paint Shop Pro

 

Saturn: Note Cassini division visible in ring plane.

Saturn: Note Cassini division visible in ring plane.

Telescope Celestron C8
Camera Skyris 236C
Exposure [F:446×1/15s]
Software Registax, Corel Paint Shop Pro
 Posted by at 10:39 pm
Feb 112014
 
Active regions 1967 & 1968

Active regions 1967 & 1968

When a sunspot rotates into view it is assigned a number, even if the sunspot already had a number assigned to it on a previous rotation. Sunspot ARs 1967 and 1968 were numbered 1944 and 1946 the last time around. See the 8 Jan 2014 image.

  • Telescope : Celestron NexStar 8
  • Mount       :
  • Camera     : Sony A35 DSLR
  • Exposure   : [C:1×0.003 sec @ ISO 100]
  • Software    :
 Posted by at 12:11 am