Crater Janssen , 7 frames at 95 % best quality in Registax

Crater Janssen , 74 frames at 85 % best quality in Registax

Crater Janssen , 156 frames at 90 % best quality in Registax

Crater Janssen , 25 frames at 90 % best quality in Registax

Crater Janssen , 74 frames at 85 % best quality in Registax

Janssen ( 190 km), is a wonderful huge crater , which we discussed in many articles such as Beautiful large crater Janssen filmed with amateur astronomical telescope , where I posted the video of these images , and .



Too bad this crater dont have a sharp edge like that of Clavius ​​( 225 km), because it would have been much seen and known by everyone. Notice the beautiful features on the floor of this crater like the "ditch " that starts from the smaller crater Fabricius (78 km) , towards the center of the floor 190 km),, which, and Live Images Of The Moon In Stunning Detail Vlacq and Janssen craters dont have a225 km),, towards the

of Janssen . This is called Rima Janssen .



The floor is filled with many

worn peaks , and with many satellite craters , larger and smaller .



In the center- top of the image , to southeast are two twin craters , nicely rounded , called These, although in images appear to be separated from each other , are in fact stacked one over the other : Steinheil (67 km), nearest, over Watt (66 km), more distant, but this is not observed in these images due to libration and phase of the Moon in that evening . Here, both craters have more than half the floor covered in shadow . , and, largertop of the, nicely, called Steinheil and Watt , are in factnearest,more distant, but this

Age of the

Moon

17 days

Phase:

93% (

=

New

=

full)

Distance:

394.960 km

Optics: Celestron C8 -Newtonian telescope , 20mm Plossl , 2x Barlow

Mount : CG5 ( EQ5) motorized

Camera : Sony CX130

Filter : no

Date: 31/12/2012

Location : Baia Mare, Romania

Processing: Registax , FastStone Image Viewer

The image above was made on 16 August 2011.

Related Posts : Craters-Janssen, Craters-Steinheil and Watt, Gallery-Registax

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