NGC 6888 -( Crescent Nebula) is an emission nebula in constellation Cygnus about 5000 light years away from Earth .It was discovered by german astronomer William Herschel in 1792 . The Crescent Nebula it is formed from by the fast stellar wind from the Wolf-Rayet 136 (HD192163) colliding with and energizing the slower moving wind ejected by the star when , it became  a red giant around 250.000 to 400.000 years ago.

Astrophoto equipment: 

telescop-MEADE Triplet Apo 80mm  f/6 Serie 5.000 with  TS universal flatener  for refractors 

mount- Skywatcher HEQ5 Pro guided with PHD GUIDING 2 

photo camera - QHYCCD -cmos QHY 294 Mono Pro with filter wheel QHYCFW3 -7 positions 36mm

guide camera-ZWO ASI 120mm Mono cmos 

guide scop Skywatcher 70 /500mm 

filters- Antlia H alfa 4,5nm.

exposure - 46 x 180 sec .

Location  Roma (Italy) center of the city Bortle 9 light pollution .

Elephant,s Trunk Nebula -is a concentration of interstellar gas and dust wthin the much larger ionized gas region IC 1396 , located in the constellation Cepheus ,about 2.400 light years away from Earth .The elephant,s Trunk Nebulais now thought to be a site of star formation , containing several very young stars that were discovered in infrared imager in 2003 .

               Equipment astrophoto: - telescope- (optical tube) MEADE 80mm Triplet Apo

                                                    -mount -Skywatcher HEQ5 Pro guided 

                                                     -guide cam.-ZWO ASI 120mm Mono.

                                                    - guide scop Skywatcher 70mm/500mm

                                                    -cam. foto -QHY 294 mono.Pro 

                                                    - filter  Whell QHYCFW 3 Ultraslim - 7 pozitii 36 mm - 

Filter H alfa 4,5nm Antlia EDGE .exposures time : 130 light frames x 120 sec.

Location - Roma (Italy) center . Zone light pollution Bortle 9 .