[Table] header: NGC number | Object type | Constellation | Right ascension ( J2000 ) | Declination ( J2000 ) row 1 : 6601 | Galaxy | Draco | 18h11m44.3s | °27′12″
row 2 : 6602 | Galaxy | Hercules | 18h16m34.3s | °02′39″
row 3 : 6603 | Open cluster | Sagittarius | 18h18m | °26′
row 4 : 6604 | Cluster w/nebulosity | Serpens Cauda | 18h18m02.9s | °14′35″
row 5 : 6605 | Open cluster | Serpens Cauda | 18h16m21.7s | °00′55″
row 6 : 6606 | Galaxy | Lyra | 18h14m41.6s | °43′16″
row 7 : 6607 | Galaxy | Draco | 18h12m14.7s | °61′19″
row 8 : 6608 | Galaxy | Draco | 18h12m28.9s | °61′17″
row 9 : 6609 | Galaxy | Draco | 18h12m33.6s | °61′19″
row 10 : 6610 | Galaxy | Hercules | 18h11m51.2s | °58′54″
row 11 : 6611 | Open cluster | Serpens | 18h19m | °49′
row 12 : 6612 | Galaxy | Lyra | 18h16m10.8s | °36′04″
row 13 : 6613 | Open cluster | Sagittarius | 18h20m | °06′
row 14 : 6614 | Galaxy | Pavo | 18h25m07.7s | °14′51″
row 15 : 6615 | Galaxy | Ophiuchus | 18h18m33.5s | °15′54″
row 16 : 6616 | Galaxy | Hercules | 18h17m41.1s | °14′18″
row 17 : 6617 | Galaxy | Draco | 18h14m02.5s | °19′10″
row 18 : 6618 | Open cluster | Sagittarius | 18h20m26s | °11′
row 19 : 6619 | Galaxy | Hercules | 18h18m55.5s | °39′20″
row 20 : 6620 | Planetary nebula | Sagittarius | 18h22m54.1s | °99′18″
row 21 : 6621 | Galaxy | Draco | 18h12m55.3s | °21′48″
row 22 : 6622 | Galaxy | Draco | 18h12m59.8s | °21′14″
row 23 : 6623 | Galaxy | Hercules | 18h19m42.9s | °42′20″
row 24 : 6624 | Globular cluster | Sagittarius | 18h23m40.7s | °21′39″
row 25 : 6625 | Open cluster | Scutum | 18h23m02.0s | °01′26″
row 26 : 6626 | Globular cluster | Sagittarius | 18h24m32.9s | °52′11″
row 27 : 6627 | Galaxy | Hercules | 18h22m38.9s | °15′41″
row 28 : 6628 | Galaxy | Hercules | 18h22m21.9s | °23′28″
row 29 : 6629 | Planetary nebula | Sagittarius | 18h25m42.4s | °12′10″
row 30 : 6630 | Galaxy | Pavo | 18h32m35.1s | °17′36″
row 31 : 6631 | Open cluster | Scutum | 18h27m11.3s | °01′52″
row 32 : 6632 | Galaxy | Hercules | 18h25m03.1s | °27′32″
row 33 : 6633 | Open cluster | Ophiuchus | 18h27m31.2s | °34′12″
row 34 : 6634 | Globular cluster | Sagittarius | 18h31m23.2s | °20′53″
row 35 : 6635 | Galaxy | Hercules | 18h27m37.1s | °14′49″
row 36 : 6636 | Galaxy | Draco | 18h22m03.9s | °66′37″
row 37 : 6637 | Globular cluster | Sagittarius | 18h31m23.2s | °20′53″
row 38 : 6638 | Globular cluster | Sagittarius | 18h30m56.2s | °29′47″
row 39 : 6639 | Open cluster | Scutum | 18h30m59.3s | °09′21″
row 40 : 6640 | Galaxy | Lyra | 18h28m08.3s | °34′18″
row 41 : 6641 | Galaxy | Hercules | 18h28m57.4s | °22′54″
row 42 : 6642 | Globular cluster | Sagittarius | 18h31m54.2s | °28′34″
row 43 : 6643 | Galaxy | Draco | 18h19m46.4s | °74′34″
row 44 : 6644 | Planetary nebula | Sagittarius | 18h32m34.7s | °07′44″
row 45 : 6645 | Open cluster | Sagittarius | 18h32m37.9s | °53′02″
row 46 : 6646 | Galaxy | Lyra | 18h29m38.7s | °39′51″
row 47 : 6647 | Open cluster | Sagittarius | 18h32m49.3s | °13′43″
row 48 : 6648 | Double star | Draco | 18h25m37.8s | °64′58″
row 49 : 6649 | Open cluster | Scutum | 18h33m27.9s | °24′10″
row 50 : 6650 | Galaxy | Draco | 18h25m28.0s | °68′00″
row 51 : 6651 | Galaxy | Draco | 18h24m19.7s | °71′36″
row 52 : 6652 | Globular cluster | Sagittarius | 18h35m45.7s | °59′25″
row 53 : 6653 | Galaxy | Pavo | 18h44m38.4s | °15′48″
row 54 : 6654 | Galaxy | Draco | 18h24m07.6s | °73′11″
row 55 : 6655 | Double star | Scutum | 18h34m30.9s | °55′15″
row 56 : 6656 | Globular cluster | Sagittarius | 18h36m24.2s | °54′12″
row 57 : 6681 | Globular cluster | Sagittarius | 18h43m12.6s | °17′31″
row 58 : 6694 | Open cluster | Scutum | 18h45m | °23′ [/Table] Answer this question based on the above table: Name the object type with an NGC number more than 6638 and right ascensions being 18h25m37.8s

Answer: Double star